Search a number
-
+
140191044 = 223717195167
BaseRepresentation
bin10000101101100…
…10010101000100
3100202210102221220
420112302111010
5241342103134
621524440340
73321414150
oct1026622504
9322712856
10140191044
1172152674
123ab490b0
13230762a6
1414894060
15c493149
hex85b2544

140191044 has 96 divisors (see below), whose sum is σ = 416747520. Its totient is φ = 35707392.

The previous prime is 140191033. The next prime is 140191087. The reversal of 140191044 is 440191041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24549 + ... + 29715.

It is an arithmetic number, because the mean of its divisors is an integer number (4341120).

Almost surely, 2140191044 is an apocalyptic number.

140191044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140191044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208373760).

140191044 is an abundant number, since it is smaller than the sum of its proper divisors (276556476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140191044 is a wasteful number, since it uses less digits than its factorization.

140191044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 140191044 is about 11840.2298964167. The cubic root of 140191044 is about 519.4854920802.

The spelling of 140191044 in words is "one hundred forty million, one hundred ninety-one thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 14 17 19 21 28 34 38 42 51 57 68 76 84 102 114 119 133 204 228 238 266 323 357 399 476 532 646 714 798 969 1292 1428 1596 1938 2261 3876 4522 5167 6783 9044 10334 13566 15501 20668 27132 31002 36169 62004 72338 87839 98173 108507 144676 175678 196346 217014 263517 294519 351356 392692 434028 527034 589038 614873 687211 1054068 1178076 1229746 1374422 1668941 1844619 2061633 2459492 2748844 3337882 3689238 4123266 5006823 6675764 7378476 8246532 10013646 11682587 20027292 23365174 35047761 46730348 70095522 140191044